[rrd-users] Re: Collecting data at different intervals
karthy at kom.auc.dk
Tue Feb 29 17:21:33 MET 2000
>>>>> "Alex" == Alex van den Bogaerdt <alex at slot.hollandcasino.nl> writes:
Alex> Karsten Thygesen wrote:
>> I would like to use RRD to generate some statistics from various
>> programs, but I would like to combine RRD tool with Dan bernsteins
>> daemontools's multilog package, which can give me a trigger once it
>> rotates the logfiles. The logfiles is rotated based on size, not
>> time, so it is impossible for me to predict the interval at wich I
>> will get data.
>> How can I feed this kind og information into rrd tool?
Alex> I don't know this tool but if you get a logfile containing time
Alex> stamps, you can just use them to insert the data in the RRD. As
Alex> your logfile will most likely be in chronological order, this
Alex> comes down to a simple "while read line; rrdtool update line"
Yes, but what happens if I insert data faster than the sampling time?
As I read the documentation, there is no consolidation of these data,
so will it just skip the last data, or skip the previous or make an
average? My "samplingrate" is not easy to predict. Well - perhaps I
should just collect data over some time from the logfiles and insert
them in fixed intervals...
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